Illuminating Engineering Society, Association of Public Lighting Engineers (Great Britain) · [London] · leaf 390
lating thereto.] The Necessity for ScientificReflectors. , Tliis is tlie title of a new folder issuedby The British Thomson-Houston Co.,Ltd. (77, Upper Thames Street. London,E.G.). It covers the well-known Holophaiie(glass) and Mazdalux (metal) reflectorssupplied by the Company. In additionto the… … nite, pre-detemiined light distribution. The accompanying illustration showsthe design of the cover of this folder. The B.T.H. Eye-Rest System. We have on ]ire\ious occasions referredto the value of indirect illumination, anotable example of ^^llif■h is The BritishThomson-Houston Companys Eye-Rest…
Lighting
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
